Sentences with phrase «wild wolf populations»

He says the findings could be used to track and manage wild wolf populations better, and help mitigate conflict with farmers.

Unfortunately this means there's little genetic diversity flowing into the fledgling wild wolf population, which compromises the ability of the 58 wolves in Arizona and New Mexico to grow healthily and sustainably.

Not exact matches

Using annual population estimates from the Russian Federal Agency of Game Mammal Monitoring database, researchers analyzed trends of eight large mammals — roe deer, red deer, reindeer, moose, wild boar, brown bears, lynx, and gray wolves — in Russia from 1981 to 2010, a time period that includes the 1991 collapse of the Soviet Union.

The analysis uncovered major changes in population growth; with the exception of wolves, all species experienced a drop in population growth rates immediately following the collapse, and three species — wild boar, moose, and brown bears — exhibited significant reductions in population growth throughout the decade following the collapse, with declines evident in 85 % or more of the study regions.

After years of political controversy, bureaucratic turmoil, and fluctuating populations, around eighty Mexican gray wolves roam the Southwest today, more than at any time since the government reintroduced them to the wild in 1998.

Since then, the U.S. and Mexican governments have worked to rebuild a genetically viable population through captive breeding and reintroducing wolves to the wild.

The major hurdles flagged by WMI are the need for multiple wild populations, hybridization with coyotes, the integrity of the wolf genome, and land ownership patterns in wolf habitat.

The tight regulations constrained FWS's ability «to release additional wolves from captivity» and «to increase the size of the wild population,» the agency said in a press release today.

At Chernobyl, populations of wild boar, elk, roe deer, and wolves increased significantly in the decade after the accident.

«We found that while hybridisation has not compromised the genetic distinctiveness of wolf populations, a large number of wild wolves in Eurasia carry a small proportion of gene variants derived from dogs, leading to the ambiguity of how we define genetically «pure wolves».

He was present when the first wolves were released back into the wild in the late 1980s and helped support the wild population as it grew to its peak in the 2000s.

November 28, 2012 — The Center filed suit challenging the Service's failure to respond to our 2004 petition calling for implementation of sweeping reforms in the management of the Mexican gray wolf population, which had by then grown by only three animals, leaving just 58 wolves in the wild.

January 12, 1998 — The Service published a final rule declaring the Mexican gray wolf a nonessential, experimental population, allowing for the take of wolves in the wild.

Arizona authorities have long opposed the release of captive wolf families into the wild, even though that is the most reliable means of bringing in more genetically diverse animals to ensure the survival of the wild population; currently, nearly all the wolves are related to each other as if they were siblings.

The population of heartworms not exposed to the drugs — heartworms living in wild canids such as wolves, foxes and coyotes, and in untreated domestic dogs — helps to dilute the heartworm gene pool, keeping the resistant genes from predominating.

After wild boar and wolves became extinct in Ireland, there was a decline in the Irish Wolfhound population.

In wild populations such as wolves and coyotes the tip of the tail may also be very dark or even pure black, again a color differentiation that will draw attention.

As do a couple of studies which have been carried out on wolves and wild dogs, that showed inbred populations have reduced longevity.

International Wolf Project http://www.wolf.org The International Wolf Center advances the survival of wolf populations by teaching about wolves, their relationship to wild lands and the human role in their futWolf Project http://www.wolf.org The International Wolf Center advances the survival of wolf populations by teaching about wolves, their relationship to wild lands and the human role in their futwolf.org The International Wolf Center advances the survival of wolf populations by teaching about wolves, their relationship to wild lands and the human role in their futWolf Center advances the survival of wolf populations by teaching about wolves, their relationship to wild lands and the human role in their futwolf populations by teaching about wolves, their relationship to wild lands and the human role in their future.